<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var m = new Worker("./worker.js")
        console.log(m)
        m.onmessage = function(event) {
            console.log(event.data)
        }

        console.log("我这里执行了")
    </script>
</body>
</html>